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authorDavid Gibson <david@gibson.dropbear.id.au>2015-02-03 08:36:21 +0300
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2015-03-23 06:29:40 +0300
commitf5718726714cd6114876c4e3ca9b6992ab81176c (patch)
treec8cfe34ac28b22e89e8f5aac01c615ac61fbb221 /drivers/block/swim3.c
parent9eccca0843205f87c00404b663188b88eb248051 (diff)
downloadlinux-f5718726714cd6114876c4e3ca9b6992ab81176c.tar.xz
powerpc: Move Power Macintosh drivers to generic byteswappers
ppc has special instruction forms to efficiently load and store values in non-native endianness. These can be accessed via the arch-specific {ld,st}_le{16,32}() inlines in arch/powerpc/include/asm/swab.h. However, gcc is perfectly capable of generating the byte-reversing load/store instructions when using the normal, generic cpu_to_le*() and le*_to_cpu() functions eaning the arch-specific functions don't have much point. Worse the "le" in the names of the arch specific functions is now misleading, because they always generate byte-reversing forms, but some ppc machines can now run a little-endian kernel. To start getting rid of the arch-specific forms, this patch removes them from all the old Power Macintosh drivers, replacing them with the generic byteswappers. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/block/swim3.c')
-rw-r--r--drivers/block/swim3.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 523ee8fd4c15..c264f2d284a7 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -440,9 +440,9 @@ static inline void seek_track(struct floppy_state *fs, int n)
static inline void init_dma(struct dbdma_cmd *cp, int cmd,
void *buf, int count)
{
- st_le16(&cp->req_count, count);
- st_le16(&cp->command, cmd);
- st_le32(&cp->phy_addr, virt_to_bus(buf));
+ cp->req_count = cpu_to_le16(count);
+ cp->command = cpu_to_le16(cmd);
+ cp->phy_addr = cpu_to_le32(virt_to_bus(buf));
cp->xfer_status = 0;
}
@@ -771,8 +771,8 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
}
/* turn off DMA */
out_le32(&dr->control, (RUN | PAUSE) << 16);
- stat = ld_le16(&cp->xfer_status);
- resid = ld_le16(&cp->res_count);
+ stat = le16_to_cpu(cp->xfer_status);
+ resid = le16_to_cpu(cp->res_count);
if (intr & ERROR_INTR) {
n = fs->scount - 1 - resid / 512;
if (n > 0) {
@@ -1170,7 +1170,7 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
- st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
+ fs->dma_cmd[1].command = cpu_to_le16(DBDMA_STOP);
if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
swim3_mb_event(mdev, MB_FD);